Science: Beams

Newspaper readers pictured a narrow, shooting band, like the track of a searchlight, flashing from England and wagging over Canada until it found its mark. That was essentially the right picture, except that where a searchlight beam starts out intensely bright and soon dwindles palely, the beam in question remained almost as powerful 3,000 miles from its starting point; and except that it was, of course, an invisible beam, a shaft of radio waves.

The picture was conjured by an announcement in Britain that the royal and...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!